ID CVE-2014-8886
Summary AVM FRITZ!OS before 6.30 extracts the contents of firmware updates before verifying their cryptographic signature, which allows remote attackers to create symlinks or overwrite critical files, and consequently execute arbitrary code, via a crafted firmware image.
References
Vulnerable Configurations
  • cpe:2.3:o:avm:fritz\!_os:6.23:*:*:*:*:*:*:*
    cpe:2.3:o:avm:fritz\!_os:6.23:*:*:*:*:*:*:*
CVSS
Base: 9.3 (as of 09-10-2018 - 19:54)
Impact:
Exploitability:
CWE CWE-310
CAPEC
  • Signature Spoofing by Key Recreation
    An attacker obtains an authoritative or reputable signer's private signature key by exploiting a cryptographic weakness in the signature algorithm or pseudorandom number generation and then uses this key to forge signatures from the original signer to mislead a victim into performing actions that benefit the attacker.
Access
VectorComplexityAuthentication
NETWORK MEDIUM NONE
Impact
ConfidentialityIntegrityAvailability
COMPLETE COMPLETE COMPLETE
cvss-vector via4 AV:N/AC:M/Au:N/C:C/I:C/A:C
refmap via4
bugtraq 20160107 [RT-SA-2014-014] AVM FRITZ!Box: Arbitrary Code Execution Through Manipulated Firmware Images
confirm https://avm.de/service/sicherheitsinfos-zu-updates/
fulldisc 20160107 [RT-SA-2014-014] AVM FRITZ!Box: Arbitrary Code Execution Through Manipulated Firmware Images
misc
Last major update 09-10-2018 - 19:54
Published 08-01-2016 - 20:59
Last modified 09-10-2018 - 19:54
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